TernaryDistance: Distance Between Points in Ternary Coordinates

In jschoeley/tricolore: A Flexible Color Scale for Ternary Compositions

Distance Between Points in Ternary Coordinates

Description

The distances between ternary coordinate p and a set of ternary coordinates C.

Usage

TernaryDistance(p, C)

Arguments

p	A vector of ternary coordinates [p1, p2, p3].
C	n by 3 matrix of ternary coordinates [p1, p2, p3](i) for i=1,...,n.

Value

A numeric vector of distances between coordinate p and all coordinates in C.

References

https://en.wikipedia.org/wiki/Barycentric_coordinate_system#Distance_between_points

Examples

# NOTE: only intended for internal use and not part of the API
p <- c(0.5, 0.2, 0.3)
C <- prop.table(matrix(runif(3*10), ncol = 3), 1)
tricolore:::TernaryDistance(p, C)

jschoeley/tricolore documentation built on May 18, 2024, 10:57 p.m.